Trial Outcomes & Findings for GORE® Embolic Filter in Carotid Stenting for High Risk Surgical Subjects (EMBOLDEN) (NCT NCT00766493)

NCT ID: NCT00766493

Last Updated: 2016-09-29

Results Overview

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

250 participants

Primary outcome timeframe

30 days

Results posted on

2016-09-29

Participant Flow

This study will be conducted at a maximum of 40 medical institutions in the United States (including public and academic research center hospitals and private practices) and will enroll approximately 250 subjects.

Participant milestones

Participant milestones
Measure
EMBOLDEN
GORE® Embolic Filter with carotid artery stenting
Pre-Discharge
STARTED
250
Pre-Discharge
COMPLETED
250
Pre-Discharge
NOT COMPLETED
0
30 Days Post-Procedure
STARTED
250
30 Days Post-Procedure
COMPLETED
238
30 Days Post-Procedure
NOT COMPLETED
12

Reasons for withdrawal

Reasons for withdrawal
Measure
EMBOLDEN
GORE® Embolic Filter with carotid artery stenting
30 Days Post-Procedure
Discontinued
7
30 Days Post-Procedure
Missed Visit - Phone Contact f/u
4
30 Days Post-Procedure
Missed Visit - No Phone Contact
1

Baseline Characteristics

GORE® Embolic Filter in Carotid Stenting for High Risk Surgical Subjects (EMBOLDEN)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
EMBOLDEN
n=250 Participants
GORE® Embolic Filter with carotid artery stenting
Age, Categorical
<=18 years
0 Participants
n=99 Participants
Age, Categorical
Between 18 and 65 years
44 Participants
n=99 Participants
Age, Categorical
>=65 years
206 Participants
n=99 Participants
Age, Continuous
74.7 Years
n=99 Participants
Sex: Female, Male
Female
97 Participants
n=99 Participants
Sex: Female, Male
Male
153 Participants
n=99 Participants
History of Diabetes
Yes
87 Participants
n=99 Participants
History of Diabetes
No
163 Participants
n=99 Participants
History of Hypertension
Yes
236 Participants
n=99 Participants
History of Hypertension
No
14 Participants
n=99 Participants
History of Ischemic Stroke
None
200 Participants
n=99 Participants
History of Ischemic Stroke
One
34 Participants
n=99 Participants
History of Ischemic Stroke
Two or More
12 Participants
n=99 Participants
History of Ischemic Stroke
Unknown
4 Participants
n=99 Participants
Previous Endarterectomy
None
171 Participants
n=99 Participants
Previous Endarterectomy
Less than 1 Year
13 Participants
n=99 Participants
Previous Endarterectomy
1 Year or Greater
63 Participants
n=99 Participants
Previous Endarterectomy
Unknown
3 Participants
n=99 Participants
Symptomatology
Symptomatic
37 Participants
n=99 Participants
Symptomatology
Asymptomatic
213 Participants
n=99 Participants

PRIMARY outcome

Timeframe: 30 days

Population: EMBOLDEN subjects evaluable for the primary endpoint

Outcome measures

Outcome measures
Measure
EMBOLDEN
n=234 Participants
GORE® Embolic Filter with carotid artery stenting
Composite Major Adverse Event (MAE) Rate of Death, Myocardial Infarction, and Stroke at 30 Days Postprocedure
Minor Stroke (Overall)
6 Participants
Composite Major Adverse Event (MAE) Rate of Death, Myocardial Infarction, and Stroke at 30 Days Postprocedure
Subjects With One or More Major Adverse Events
10 Participants
Composite Major Adverse Event (MAE) Rate of Death, Myocardial Infarction, and Stroke at 30 Days Postprocedure
Death
2 Participants
Composite Major Adverse Event (MAE) Rate of Death, Myocardial Infarction, and Stroke at 30 Days Postprocedure
Myocardial Infarction (MI - Overall)
1 Participants
Composite Major Adverse Event (MAE) Rate of Death, Myocardial Infarction, and Stroke at 30 Days Postprocedure
Q-Wave MI
0 Participants
Composite Major Adverse Event (MAE) Rate of Death, Myocardial Infarction, and Stroke at 30 Days Postprocedure
Non-Q-Wave MI
1 Participants
Composite Major Adverse Event (MAE) Rate of Death, Myocardial Infarction, and Stroke at 30 Days Postprocedure
Stroke (Overall)
7 Participants
Composite Major Adverse Event (MAE) Rate of Death, Myocardial Infarction, and Stroke at 30 Days Postprocedure
Major Stroke (Overall)
1 Participants
Composite Major Adverse Event (MAE) Rate of Death, Myocardial Infarction, and Stroke at 30 Days Postprocedure
Ischemic Stroke (Major)
1 Participants
Composite Major Adverse Event (MAE) Rate of Death, Myocardial Infarction, and Stroke at 30 Days Postprocedure
Hemorrhagic Stroke (Major)
0 Participants
Composite Major Adverse Event (MAE) Rate of Death, Myocardial Infarction, and Stroke at 30 Days Postprocedure
Ischemic Stroke (Minor)
6 Participants
Composite Major Adverse Event (MAE) Rate of Death, Myocardial Infarction, and Stroke at 30 Days Postprocedure
Hemorrhagic Stroke (Minor)
0 Participants

SECONDARY outcome

Timeframe: Post Procedure

Device Success defined as the number of participants with Technical Success using the GORE Embolic Protection System (i.e., the GORE Embolic Filter device was delivered, placed, and retrieved as outlined in the Instructions for Use).

Outcome measures

Outcome measures
Measure
EMBOLDEN
n=250 Participants
GORE® Embolic Filter with carotid artery stenting
Device Success
241 Participants

SECONDARY outcome

Timeframe: 30 days

Clinical Success defined as GORE Embolic Filter and carotid stent success in the absence of death, emergency endarterectomy, repeat PTA / thrombolysis of the target vessel, and stroke or MI as determined by the Clinical Events Committee. Clinical success will be evaluated from procedure through 24-48 hours postprocedure.

Outcome measures

Outcome measures
Measure
EMBOLDEN
n=250 Participants
GORE® Embolic Filter with carotid artery stenting
Clinical Success
233 Participants

SECONDARY outcome

Timeframe: 30 days

Access Site Complications defined as the presence of a large hematoma (\>5cm or requiring treatment or prolonged hospitalization), fistula or pseudoaneurysm formation, retroperitoneal bleeding or the need for surgical repair postprocedure.

Outcome measures

Outcome measures
Measure
EMBOLDEN
n=250 Participants
GORE® Embolic Filter with carotid artery stenting
Access Site Complications
6 Participants

SECONDARY outcome

Timeframe: 30 days

Neurological Events at 30 days post-procedure, including transient ischemic attacks (TIAs).

Outcome measures

Outcome measures
Measure
EMBOLDEN
n=250 Participants
GORE® Embolic Filter with carotid artery stenting
Neurologic Events
16 Participants

Adverse Events

EMBOLDEN

Serious events: 56 serious events
Other events: 83 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
EMBOLDEN
n=250 participants at risk
GORE® Embolic Filter with carotid artery stenting
Blood and lymphatic system disorders
Anemia
2.4%
6/250 • Number of events 6 • 30 days
Blood and lymphatic system disorders
Blood & Lymphatic System - Other
0.40%
1/250 • Number of events 1 • 30 days
Cardiac disorders
Bradycardia
2.0%
5/250 • Number of events 5 • 30 days
Cardiac disorders
Angina/coronary ischemia
1.2%
3/250 • Number of events 3 • 30 days
Cardiac disorders
Asystole
0.80%
2/250 • Number of events 2 • 30 days
Cardiac disorders
Cardiac - Other
1.2%
3/250 • Number of events 3 • 30 days
Cardiac disorders
Congestive Heart Failure (CHF) - onset or worsening of
1.2%
3/250 • Number of events 4 • 30 days
Cardiac disorders
Atrial fibrillation
0.40%
1/250 • Number of events 1 • 30 days
Cardiac disorders
Myocardial infarction (MI)
0.40%
1/250 • Number of events 1 • 30 days
Surgical and medical procedures
Thrombosis/Occlusion - GEF
0.40%
1/250 • Number of events 1 • 30 days
Gastrointestinal disorders
Gastrointestinal - Other
0.40%
1/250 • Number of events 1 • 30 days
Gastrointestinal disorders
Retroperitoneal bleed
0.40%
1/250 • Number of events 1 • 30 days
General disorders
Fever
0.40%
1/250 • Number of events 1 • 30 days
Infections and infestations
Bronchitis
0.40%
1/250 • Number of events 1 • 30 days
Infections and infestations
Infection
0.40%
1/250 • Number of events 1 • 30 days
Injury, poisoning and procedural complications
Groin Hematoma
0.80%
2/250 • Number of events 2 • 30 days
Injury, poisoning and procedural complications
Vascular access complication
1.2%
3/250 • Number of events 3 • 30 days
Injury, poisoning and procedural complications
Infection at access site
0.40%
1/250 • Number of events 1 • 30 days
Metabolism and nutrition disorders
Metabolism & Nutrition - Other
0.40%
1/250 • Number of events 2 • 30 days
Musculoskeletal and connective tissue disorders
Musculoskeletal and Connective Tissue - Other
0.40%
1/250 • Number of events 1 • 30 days
Nervous system disorders
Nervous System - Other
0.80%
2/250 • Number of events 2 • 30 days
Nervous system disorders
Headache
0.80%
2/250 • Number of events 2 • 30 days
Nervous system disorders
Cerebral ischemia/transient ischemic attack (TIA)
0.80%
2/250 • Number of events 2 • 30 days
Nervous system disorders
Visual disturbance
0.40%
1/250 • Number of events 1 • 30 days
Nervous system disorders
Stroke/cerebrovascular accident (CVA)
1.2%
3/250 • Number of events 3 • 30 days
Nervous system disorders
Seizure
0.80%
2/250 • Number of events 2 • 30 days
Nervous system disorders
Ischemic stroke
0.40%
1/250 • Number of events 1 • 30 days
Renal and urinary disorders
Renal failure/insufficiency
0.40%
1/250 • Number of events 1 • 30 days
Renal and urinary disorders
Renal & Urinary - Other
0.80%
2/250 • Number of events 2 • 30 days
Respiratory, thoracic and mediastinal disorders
Respiratory, Thoracic & Mediastinal - Other
1.6%
4/250 • Number of events 4 • 30 days
Respiratory, thoracic and mediastinal disorders
Dyspnea
0.80%
2/250 • Number of events 2 • 30 days
Respiratory, thoracic and mediastinal disorders
COPD, worsening of
0.40%
1/250 • Number of events 1 • 30 days
Respiratory, thoracic and mediastinal disorders
Respiratory failure
0.40%
1/250 • Number of events 1 • 30 days
Skin and subcutaneous tissue disorders
Rash
0.40%
1/250 • Number of events 1 • 30 days
Skin and subcutaneous tissue disorders
Itching
0.40%
1/250 • Number of events 1 • 30 days
Vascular disorders
Hypotension
5.6%
14/250 • Number of events 14 • 30 days
Vascular disorders
Hypertension
0.80%
2/250 • Number of events 2 • 30 days
Vascular disorders
Bleeding
0.40%
1/250 • Number of events 1 • 30 days
Vascular disorders
Vessel spasm
0.40%
1/250 • Number of events 1 • 30 days
Vascular disorders
Vascular - Other
0.80%
2/250 • Number of events 2 • 30 days
Vascular disorders
Ischemia/Infarction of tissue/organ
0.80%
2/250 • Number of events 2 • 30 days
Vascular disorders
Pseudoaneurysm
0.40%
1/250 • Number of events 1 • 30 days
Vascular disorders
Vessel dissection, perforation or rupture
0.40%
1/250 • Number of events 1 • 30 days
General disorders
Not Elsewhere Classified - Other
0.80%
2/250 • Number of events 2 • 30 days

Other adverse events

Other adverse events
Measure
EMBOLDEN
n=250 participants at risk
GORE® Embolic Filter with carotid artery stenting
Blood and lymphatic system disorders
Anemia
5.6%
14/250 • Number of events 14 • 30 days
Cardiac disorders
Bradycardia
4.0%
10/250 • Number of events 10 • 30 days
Gastrointestinal disorders
Nausea
4.8%
12/250 • Number of events 12 • 30 days
Nervous system disorders
Nervous System - Other
5.6%
14/250 • Number of events 15 • 30 days
Nervous system disorders
Headache
4.4%
11/250 • Number of events 11 • 30 days
Vascular disorders
Hypotension
15.2%
38/250 • Number of events 39 • 30 days
Vascular disorders
Hypertension
6.4%
16/250 • Number of events 16 • 30 days
Vascular disorders
Bleeding
4.4%
11/250 • Number of events 11 • 30 days

Additional Information

Bryan Randall

W. L. Gore & Associates

Phone: (800) 437-8181

Results disclosure agreements

  • Principal investigator is a sponsor employee Gore has the right to review disclosures, requesting a delay of less than 90 days. Each investigator will postpone single center publications until after disclosure of multi-center data, less than 12 months from study completion/termination at all participating sites.
  • Publication restrictions are in place

Restriction type: OTHER